1 — Thenar eminence; 2 — Abductor pollicis longus; Tendon; 3 — Flexor pollicis longus; 4 — Flexor digitorum superficialis; 5 — Flexor carpi radialis; 6 — Brachioradialis; 7 — Bicipital aponeurosis; 8 — Brachialis; 9 — Biceps brachii; 10 — Olecranon; 11 — Pronator teres; 12 — Palmaris longus; 13 — Flexor carpi ulnaris; 14 — Flexor retinaculum; 15 — Palmaris brevis; 16 — Hypothenar eminence; 17 — Palmar aponeurosis